7388458476481 has 2 divisors, whose sum is σ = 7388458476482. Its totient is φ = 7388458476480.

The previous prime is 7388458476407. The next prime is 7388458476559. The reversal of 7388458476481 is 1846748548837.

7388458476481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7382089000000 + 6369476481 = 2717000^2 + 79809^2 .

It is a cyclic number.

It is not a de Polignac number, because 7388458476481 - 2⁹ = 7388458475969 is a prime.

It is a super-2 number, since 2×7388458476481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7388458476781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3694229238240 + 3694229238241.

It is an arithmetic number, because the mean of its divisors is an integer number (3694229238241).

Almost surely, 2^{7388458476481} is an apocalyptic number.

It is an amenable number.

7388458476481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7388458476481 is an equidigital number, since it uses as much as digits as its factorization.

7388458476481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1156055040, while the sum is 73.

The spelling of 7388458476481 in words is "seven trillion, three hundred eighty-eight billion, four hundred fifty-eight million, four hundred seventy-six thousand, four hundred eighty-one".